2Pcs Glass Cutting Disc Glass Cutting Wheel Glass Saw Blade Grinding Cutting Disc for Angle Grinder Versatile: The 4 inch cutting blade can be used for a variety of applications, including cutting glass for windows, doors, mirrors and more. Easy to Use: The glass cutting disc is designed for use with standard angle grinders and features a simple installation process. Material: High manganese steel, . Specification: Item Type: Glass Cutting Disc Material: High manganese steel, . Outer Diameter: Approx. 100mm / 3.94in Inner Diameter: Approx. 20mm / 0.79in Sand Width: Approx. 27mm / 1.06in Thickness: Approx. 1mm / 0.04in Application: For the polishing and cutting on glass, ceramic tiles, crystal, wine bottle, etc. How to Use: Take out the product and install to use. Package List: 2 xGlass Cutting Disc